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Cash Equivalents and Investments - Schedule of Investments (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Available-for-sale [Line Items]
Available-for-sale Securities	$ 113,795	$ 104,485
Corporate securities
Available-for-sale [Line Items]
Available-for-sale Securities	55,777	57,878
U.S. Treasury securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	31,456	22,674
Municipal Debt Securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	17,377	14,649
Federal Home Loan Securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	6,503	5,670
Certificates of Deposit [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	$ 2,682	$ 3,614

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